Here's what rhymes with gapless.
Words that almost rhyme with gapless
cutlass bloodless buttress couplets compass colourless luckless talus loveless tapas couscous justice duchess fulness fungus oneness roughness toughness baseness dullness dulness numbness piteous puppets rashness bulbous cumbrous lameness pumice unctuous bumptious covets ductless dumbness fungous magus pashas ruckus rumpus buckets buttocks encompass muskets sumptuous wondrous lustrous stasis doublets justness nuggets alumnus hummocks incubus smugness buffets substance abundance trumpets cements stomachs abruptness bluntness effulgence fistulous numinous pedants bibulous judgments reluctance circumference indulgence conductance inductance judgements incumbents neuritis repugnance robustness encumbrance hundredths wantonness druggists incumbrance erogenous sibilants adjustments consultants abutments unrighteousness resultants remonstrance reasonableness readjustments superabundance unreasonableness